Hazardous Seas Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
148 PM PST Mon Nov 17 2025
PZZ356-181100-
/O.EXT.KMFR.SE.W.0045.000000T0000Z-251118T1200Z/
/O.EXT.KMFR.SC.Y.0100.000000T0000Z-251119T0600Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
148 PM PST Mon Nov 17 2025
...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 4 AM PST TUESDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST TUESDAY...
* WHAT..North winds 20 to 30 kt with gusts up to 40 kt and steep
to very steep and hazardous seas 10 to 15 ft, due to a mix of
wind seas and swell at 11 to 12 seconds, through late tonight.
On Tuesday, winds will lower to 15 to 25 kt with steep seas of 8
to 11 feet.
* WHERE...All areas will experience conditions hazardous to small
craft. Very steep warning level seas are expected beyond 3 nm
from shore south of Port Orford through late tonight.
* WHEN...For the Hazardous Seas Warning, until 4 AM PST Tuesday.
For the Small Craft Advisory, until 10 PM PST Tuesday.
* IMPACTS...Very steep and hazardous seas could capsize or
damage vessels. Bar crossings will become especially
treacherous.
* View the hazard area in detail at https://go.usa.gov/x6hks
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for very steep seas and consider remaining in port
until conditions improve.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
148 PM PST Mon Nov 17 2025
PZZ376-181100-
/O.EXT.KMFR.SE.W.0045.000000T0000Z-251118T1200Z/
/O.EXT.KMFR.SC.Y.0101.251117T2148Z-251119T1200Z/
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
148 PM PST Mon Nov 17 2025
...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 4 AM PST TUESDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PST WEDNESDAY...
* WHAT..North winds 20 to 30 kt with gusts up to 40 kt and steep
to very steep and hazardous seas 11 to 16 ft, due to a mix of
wind seas and swell at 11 to 12 seconds, through late tonight.
On Tuesday, winds will lower to 15 to 25 kt with steep seas of 8
to 12 feet.
* WHERE...All areas will experience conditions hazardous to small
craft. Very steep warning level seas are expected beyond 3 nm
from shore south of Port Orford through late tonight.
* WHEN...For the Hazardous Seas Warning, until 4 AM PST Tuesday.
For the Small Craft Advisory, until 4 AM PST Wednesday.
* IMPACTS...Very steep and hazardous seas could capsize or
damage vessels. Bar crossings will become especially
treacherous.
* View the hazard area in detail at https://go.usa.gov/x6hks
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for very steep seas and consider remaining in port
until conditions improve.
&&
$$
Visit us at https://www.weather.gov/Medford
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
559 PM PST Mon Nov 17 2025
PZZ450-181000-
/O.CON.KEKA.SE.W.0036.000000T0000Z-251118T1100Z/
Pt St George to Cape Mendocino out 10 nm-
559 PM PST Mon Nov 17 2025
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
TUESDAY...
* WHAT...Very steep and hazardous seas 11 to 16 feet.
* WHERE...Pt St George to Cape Mendocino out 10 nm.
* WHEN...Until 3 AM PST Tuesday.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.
&&
$$